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Maximum dose constraints of each shell.
| Maximum dose constraints (Gy) | ||||||||
|---|---|---|---|---|---|---|---|---|
| 1st shell | 2nd shell | 3rd shell | 4th shell | 5th shell | 6th shell | 7th shell | 8th shell | |
| Two‐shell plan | 20 | 14 | – | – | – | – | – | – |
| Three‐shell plan | 25 | 20 | 14 | – | – | – | – | – |
| Four‐shell plan | 28 | 25 | 20 | 14 | – | – | – | – |
| Five‐shell plan | 28 | 25 | 20 | 14 | 9 | – | – | – |
| Six‐shell plan | 28 | 25 | 20 | 17 | 14 | 9 | – | – |
| Seven‐shell plan | 28 | 25 | 20 | 17 | 14 | 11 | 9 | – |
| Eight‐shell plan | 28 | 25 | 20 | 17 | 14 | 11 | 9 | 7 |
